A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a thermal expandable elastomer for sun protection, and belongs to the technical field of water protection devices. The thermal expandable elastomer comprises a thermal expansion closed elastomer, a cavity is formed in the elastomer, and a substance capable of expanding after being heated is arranged in the cavity; a thermal expansion closed elastic body is adopted as a body, gas which can be expanded by heating is arranged in the elastic body, the gas in the elastic body is expanded by heating, the size is changed along with the change of the external environment temperature, and the sun-shading effect is greatly improved; meanwhile, in cloudy days, rainy days or nights, the temperature is low, the elastomer is hardly influenced by the temperature environment, the volume returns to the normal level, sufficient contact between a water body and air can be ensured, and the oxygen content in water is ensured. The elastic bodies do not need to be densely arranged onthe water surface, the sunshade effect can be achieved, evaporation is reduced, and meanwhile the oxygen content of a water body is guaranteed.
本发明一种用于防晒的热膨胀弹性体，包括可热膨胀的封闭弹性体，弹性体内设有空腔，空腔内设有受热可膨胀的物质。采用热膨胀的封闭弹性体作为本体，弹性体内设有受热可膨胀的气体，弹性体内的气体受热膨胀，根据外界环境温度的变化，体积随之改变，大大提高了遮阳效果；同时，当阴天、雨天或者夜晚，温度较低，弹性体收到温度环境影响不大，体积回归到正常水准，能保证水体与空气的充分接触，确保水中含氧量；本发明无需将弹性体密集的布置在水面，即可实现遮阳效果，减少蒸发，同时也保证了水体的含氧量。属于水体保护装置技术领域。
The invention discloses a thermal expandable elastomer for sun protection, and belongs to the technical field of water protection devices. The thermal expandable elastomer comprises a thermal expansion closed elastomer, a cavity is formed in the elastomer, and a substance capable of expanding after being heated is arranged in the cavity; a thermal expansion closed elastic body is adopted as a body, gas which can be expanded by heating is arranged in the elastic body, the gas in the elastic body is expanded by heating, the size is changed along with the change of the external environment temperature, and the sun-shading effect is greatly improved; meanwhile, in cloudy days, rainy days or nights, the temperature is low, the elastomer is hardly influenced by the temperature environment, the volume returns to the normal level, sufficient contact between a water body and air can be ensured, and the oxygen content in water is ensured. The elastic bodies do not need to be densely arranged onthe water surface, the sunshade effect can be achieved, evaporation is reduced, and meanwhile the oxygen content of a water body is guaranteed.
本发明一种用于防晒的热膨胀弹性体，包括可热膨胀的封闭弹性体，弹性体内设有空腔，空腔内设有受热可膨胀的物质。采用热膨胀的封闭弹性体作为本体，弹性体内设有受热可膨胀的气体，弹性体内的气体受热膨胀，根据外界环境温度的变化，体积随之改变，大大提高了遮阳效果；同时，当阴天、雨天或者夜晚，温度较低，弹性体收到温度环境影响不大，体积回归到正常水准，能保证水体与空气的充分接触，确保水中含氧量；本发明无需将弹性体密集的布置在水面，即可实现遮阳效果，减少蒸发，同时也保证了水体的含氧量。属于水体保护装置技术领域。
Thermally-expandable elastomer molding process for thermoset composite materials
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